== sanity test 123ab: verify statahead work by using statx ========================================================== 18:17:08 (1776205028)
total: 100 open/close in 1.94 seconds: 51.67 ops/second
llite.lustre-ffff9f0447c2d800.statahead_max=0
100

real	0m1.508s
user	0m0.014s
sys	0m0.123s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9f0447c2d800.statahead_max=32
32
100

real	0m0.488s
user	0m0.006s
sys	0m0.066s
statx -l 100 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 605 (time 1776205050.62 total 10.01 last 60.45)
total: 900 open/close in 15.27 seconds: 58.93 ops/second
llite.lustre-ffff9f0447c2d800.statahead_max=0
1000

real	0m17.447s
user	0m0.092s
sys	0m1.207s
statx -l 1000 files without statahead: 17 sec
llite.lustre-ffff9f0447c2d800.statahead_max=32
32
1000

real	0m3.106s
user	0m0.042s
sys	0m0.397s
statx -l 1000 files with statahead: 3 sec
statahead total: 28
statahead wrong: 0
agl total: 28
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 11 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28